<template>
  <div>
      <h5>我是three组件</h5>
      <input type="text">
  </div>
</template>

<script>
export default {
  activated() {
    console.log("进入到keep-alive管理的组件了");
  },
  deactivated() {
    console.log("离开了keep-alive管理的组件了");
  },
}
</script>

<style scoped>
input {
    border: 0.01rem solid #000;
}
</style>